X-431 Diagnosis Aid


The X-431 Diagnosis Aid is more than a breakout box. It is ideal for the mechanic to locate the connection or battery error while doing diagnosis with any commercially available diagnostic system.

  • Monitoring the voltage during the diagnosis/programming
  • Charging state of the alternator can be checked
  • Check the OBD DLC pin connection signal
  • Incl. banana connector and VW blink Code with 19 cm cable
  • Optional: Data saver cable for battery change